Ethyl 2-chloro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxylate
4-Chloro-5-iodo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Methyl 3-chloro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate
5-Chloro-3-iodo-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine